Switch mechanism



Sept. l5, 1925. 1,553,401

H. L. sLAusoN SWITCH MECHANISM Filed OCT.. 9. 1920 5 Sheets-Sheet l wnNEssEs; INVENToR 11mg/ L. .Simson y AiToRNEY Sept. l5, 1925.

SWITCH MECHANI SM Filed Oct. 9, 1920 I5 Sheets-Sheet 2 w um.

.Y INVENTOR WrrNEssEs: n Hear L. 5]@00/2 W BY TTORNEY Sept. 15, 1925.

H. L. SLAUSON SWITCH MECHANISM Filed Oct. 9, 1920 3 Sheets-Sheet INV ENTOR H6110/ L` 51m/.rop

wlNEssEs;

AT'TORNEY Patented Sept. 15, 1925. UNITED STATES PATENT OFFICE..-

HENm( L sLLUsoN, or Borrero, NEW Yeux, AssIoNon 'rowEsTnqoHQUsnlEn-Ec- 'muc e mmrac'rpnmq comm, A conromjnox or Pmrirsnvnx" Appneauon nea october a, 1920. Serna 110.1415381;

` To-allloliom. il may concern. adapted to-'be noved into e t1 'th. .Be it known that L Hmmr L. SLaUsoN, -the jawv member 6 ,'for'e'logii1gagglgei`luit a citizen of the United States, and s. resithrou'gh the supply termiualsf9,`."th`e"switeh. dent of Buffalo. in the.county of Erie and jaw ,member 6,-`the switch-Blade 8,

State of :New tYork, have invented a` new the jaw ucmbe`r`5, theonductortthe 60 and useful Improvement in Switch`Mechzi fuse clip 7, thegfuse'membr 11, th nism, of'whieh the following is n, specifical'v and the load terminal 12. A i tion. A protecting cover orfhousing 13..e` loses` My invention relates to switch mechanism the switch member and the 1o and particularly to enclosed switches, such The eoverfeomprises'an arcuate s'ectoxiidis- 66 as are employed in controlling lighting. and vposed directly opposite the' s witeh'i'nccha- -power circuits. nsm," the'g'enerating centei-ofeui'iature V An object of this ina-cation is to provide. vthe cover being o'oinicidentvith tliirxis' of a simple and etl'ecti've cover for'the switch Arotation othe `s'livi'tchblade anexnb'er.- il- The -and fuse mechanism which may be readily portion ofjtihe housing surronndiriftlie-fuse 'I0 detached from the panel supporting tle member is soxewhat shallowerthan'tlitf'enswitch and fuse members, when the switch is closing the switch Amechanisn'r'nd is?.l LIfrr'g.- in open position. 1 .vided witl'ano 'ning 14 that'is clos'elby Another object is to provide a, switch a door 1 5, whiclieis' hinged -"to thefhiising mechanism wherein the door 'closing 'the by'means of a. hinge-'pin`--1-6. 'Ihis,-`d o1; is 76 openinginthe housing through which the normally lield closed-byfmeanspf a tiiiision fuse members are accessible, is retained inspring .17 that is secured, atlone.' tt. latehed position so long` as the-switch is in Vthe housi its closed position, and wherein theeover -to the door. A i5 cannot he opened until the switch. member is The' doorl isprovided-with as'lid'ing, I a'teh B0 moved to its cxtreme open position. ,bar '19 'thf'tino'lmillly engage thefld' 20 Another object, is to providea switchturnedinwa'rdly 'from the lower'endfoftli,

hy a handle projecting through a slot in the the door. The latch-'bar 19 yieldipglyf'ef cover and 'wherein provision is made to tamed 1n Ylatehed position b 'y'nermglfan 86 A shield the `slot. to prevent. access to the switch interlbking rtnzking har 2 1`that t when the corel' is closed. Il( liolcllpsfl, that are S'eclt'e-(l.` i A further ohjert is to provide a switch portion S21-ofthe cover`tliatij'l-ies' het nu-.ehanisin that is simple and durablel an'd the arcuate fa\\theieo` f 'and the 'iipptfi";ild

36 inexpensive to manufacture andwherein the of the opening 1 4 in the co'ver.'` l

switch may he positively locked in open po- One end of the rockingv bar is I'njo't'idgdl sillon. with an'arcuate poition #25 vthat 'projects These and other objet-.ts that will be ap' through as lot 2G provided in the'iuppeieiid part-nt throughout the further description of of the latch-bar 19.,` .Th1-...opposite 6' 40 my iuventionartattained hy ncans of the of the rocking.;Y har extends @award tlic-ar-'Q switch nioehausin hereinafter described and citate wall of the cover'andis" norniallxyfhelil illustrated in the accompanying drawings. in the.posi'tion showm wherein-gthefliitcll wherein 1 'bar 19 is retained in elosedforlatched posi- Figure 1 is a view in iront elevation, of tion, by rneans o'fa. hclicalf'c'gmpe's'sfin my improved switch mechanism'. 'spring 2'( that is disposed -betxvegnrtlieend 100 Figs?, is a vertical section o n the linel of the rocking barand'zthevlwall'tft oftlie U--l l1 ot'. Fig. 1. housing. Fig. 3 is a transverse section on the line The switch blades 8 are 'connected''hy llI--I'll o( Fig, 2f means ofan insulating barffl to .whieliga- Referring to-the drawings, the apparatus flat arcuate operating b arzfgt) is attached; '105 includes an insulating hase 4, upon which An operating,Y iandle 30, having a threaded is mounted two pairs of' stationary switelr shank 31, extends in the slot 39. provided in jaw nu-.inht-.rs 5 and (i and two pains of fusethe cover and is screwed into the bar 29. clip uuanheis 7. 'lwo switch hlado members 'lhe nut. 33, that is non-rotatable secured to 05 S an,l pivotcd to the jaw membeis 5 and are the. shank 31, serves as a shoulder for limit- 110 ing inward movement of the handle. The

nut is of greater width than the slot 32 and, consequently, the handle 'may notbe rbmoved to permit free movement of the coverunless the switch 'member is moved to an openposition wherein the n ut 33 registers with the wide section 34 of the slot 32, through which the nut may be, with.-

'The left `edge (Fig. 1') of the bar 2 9 is provided with'a shoulder 35 that engages the end 36 of the rocking bar 21 when the the door 15. closed position, the spring switch is moved to open position. The end 36 is depressed thereby and the arcuate section 25 raises the latch bar 19 and'jiinlatches When the switich is move-d to T again closes lthe door.

'.W'hen the bar 29 is in `this .shoulder 35 's held just out of engagement with the rocking 0 I fusecompartmenl door is retained in clos-l position. The housing- 13 is -secured to the panel oi: base 4 by means of bolts 4l and 42 that are secured to the panel 4 and project through perforate wings 43am-l 44, respectively, that are secured to the side walls of the housing. 'ing nuls 45 and 46 serve;

'to clamp the housing to the base.

It will be observed that the wing nut 46 is dis cessib e onlv through the opening 14 that is closedby the door 15. The wing nut cannot be removed so long as the door is closed en dfthercfore, the cover cannot be removed.

until the switch is moved to an' open position wherein the door: is unlatched and wherein the handle 30 may be removed.

It will be apparent from the foregoing that a' switch'must-oecupy an open position before the housing can be detached from the base or before the door closing access to the -use compartment can be opened.

While I have described one 'embodiment of my invention, it will be `apparent to thoseskil ediu the artthat various changes, modiiicatons, substitutions, ad-

position, the

bar andg consequently, 'the sed within the housing and is :ic-,

and indented but ditions and omissions may be made in the apparatus described without departing from the spirit and scope of my inventioinas set forth by the appended claims.

I claim as my invention: 1. Switch mechanism comprising a base, a switch member mounted upon -the base, a cri-er fo theswitch member mounted upon the said base and having an opening therein, a. movable doorfor closing the opening adapted to be released by the switch when the latter is in open position, and means ac# cessiblc only 'through the said opening for (bletachably securing the cover to the said RSC.

2. Switch mechanism comprising a base,

(ill

a switch -niember mounted upon thebase, a

cover for the switchmcmbcr having an opening therein, a handle detachably secured to the 'switch member and projcetinv through the said opening in the cover an adapted to pievcnt the removal pf the cover from the said base when the handle is'secured to the switeli member, and mcansincluding the cover for preventing the removal of the handle from the switch member except when the switch nicinlirris in predetermined open position 3. Switch mechanism Co nprising'a housing, a. switch member n'itl in the housing, a hinged d r for the housing, a latch carried by the 'd or and engaging the said housing, a yielding member pivoted to the housing and operatively connected to tlie'latch re- Agardless of theposition of the door for normally holding the latch 'in closed'- position and Yadapted to be actuated by the switch member to release the latch when the switch member 'is moved a predetermined distance to open position.

4. Switch ntechanism comprising a switch member, a housing for enclosing the s witch member, an operating handle for the switch extending extericrly from one side of the housing and having an extension adapted to project eateriorly of the housing through '.uii opening in another side of the housing -oiil when the switch is in open position,

an means co-operating with the propceting end o f the extension ferret-:Lining the switch in open position.

subscribed my name this sixth day of Octobei', 1920.

HENRY L. SLAUSON.

l UU

In testimony whereof, I have hereunto" 

